1053278616 has 128 divisors (see below), whose sum is σ = 2892960000. Its totient is φ = 317634048.

The previous prime is 1053278609. The next prime is 1053278621. The reversal of 1053278616 is 6168723501.

It is a super-2 number, since 2×1053278616² = 2218791685845750912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6461751 + ... + 6461913.

It is an arithmetic number, because the mean of its divisors is an integer number (22601250).

Almost surely, 2^1053278616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053278616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446480000).

1053278616 is an abundant number, since it is smaller than the sum of its proper divisors (1839681384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053278616 is a wasteful number, since it uses less digits than its factorization.

1053278616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1053278616 is about 32454.2542049575. The cubic root of 1053278616 is about 1017.4531539343.

The spelling of 1053278616 in words is "one billion, fifty-three million, two hundred seventy-eight thousand, six hundred sixteen".